diff options
Diffstat (limited to 'src/script/descriptor.h')
| -rw-r--r-- | src/script/descriptor.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/script/descriptor.h b/src/script/descriptor.h index 0111972f85..44f0efca03 100644 --- a/src/script/descriptor.h +++ b/src/script/descriptor.h @@ -48,8 +48,18 @@ struct Descriptor { * provider: the provider to query for private keys in case of hardened derivation. * output_script: the expanded scriptPubKeys will be put here. * out: scripts and public keys necessary for solving the expanded scriptPubKeys will be put here (may be equal to provider). + * cache: vector which will be overwritten with cache data necessary to-evaluate the descriptor at this point without access to private keys. */ - virtual bool Expand(int pos, const SigningProvider& provider, std::vector<CScript>& output_scripts, FlatSigningProvider& out) const = 0; + virtual bool Expand(int pos, const SigningProvider& provider, std::vector<CScript>& output_scripts, FlatSigningProvider& out, std::vector<unsigned char>* cache = nullptr) const = 0; + + /** Expand a descriptor at a specified position using cached expansion data. + * + * pos: the position at which to expand the descriptor. If IsRange() is false, this is ignored. + * cache: vector from which cached expansion data will be read. + * output_script: the expanded scriptPubKeys will be put here. + * out: scripts and public keys necessary for solving the expanded scriptPubKeys will be put here (may be equal to provider). + */ + virtual bool ExpandFromCache(int pos, const std::vector<unsigned char>& cache, std::vector<CScript>& output_scripts, FlatSigningProvider& out) const = 0; }; /** Parse a descriptor string. Included private keys are put in out. Returns nullptr if parsing fails. */ |